Finding the Fourth Proportional to 31,145,991.77, 46,693,694.85 and 12,963,796.69

Step by Step Solution

1. Step 1: Write the proportion equation
   31,145,991.77 : 46,693,694.85 = 12,963,796.69 : x
2. Step 2: Convert to fraction form
   31,145,991.77/46,693,694.85 = 12,963,796.69/x
3. Step 3: Cross multiply
   31,145,991.77x = 46,693,694.85 × 12,963,796.69
4. Step 4: Simplify right side
   31,145,991.77x = 605,327,566,740,300
5. Step 5: Solve for x
   x = 605,327,566,740,300/31,145,991.77
6. Step 6: Final answer
   x = 19,435,167.49